Bump golang.org/x/net from 0.21.0 to 0.23.0 in /otelcol #19

Job	Run time
govulncheck	1m 4s
setup-environment	33s
checks	49s
cross-build-collector (darwin, amd64)	9s
cross-build-collector (darwin, arm64)	11s
cross-build-collector (linux, 386)	12s
lint	1m 46s
cross-build-collector (linux, amd64)	9s
test-coverage	1m 37s
cross-build-collector (linux, arm64)	13s
unittest-matrix (~1.22)	1m 36s
cross-build-collector (linux, ppc64le)	11s
unittest-matrix (~1.21.5)	1m 35s
cross-build-collector (linux, arm, 7)	20s
cross-build-collector (linux, s390x)	9s
cross-build-collector (windows, 386)	10s
cross-build-collector (windows, amd64)	9s
unittest	1s
	10m 54s

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